#include<iostream>
using namespace std;
#include <unistd.h>

int main(int agrc,char* argv[])
{

  for(int i = 0;environ[i];i++)
  {
    printf("environ[%d]:%s\n",i,environ[i]);
  }
//  for(int i =0;argv[i];i++)
//  {
//      printf("argv[%d],%s\n",i,argv[i]);
////    printf("argv[%d],%p\n",i,argv);
//  }
  cout << "hello c++"<<endl;
  cout << "hello c++"<<endl;
  cout << "hello c++"<<endl;
  cout << "hello c++"<<endl;
  cout << "hello c++"<<endl;
  cout << "hello c++"<<endl;
  cout << "hello c++"<<endl;

  return 0;
}
